function ParamStr(Index: Integer): string;
如:
procedure TForm1.FormCreate(Sender: TObject);
var
i: Integer;
for i := 1 to ParamCount do
begin
if LowerCase(ParamStr(i)) = 'beep' then
Beep
elseif LowerCase(ParamStr(i)) = 'exit' then
Application.Terminate;
end;
end;